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Table 5 Basic statistics by Korea Longitudinal Study of Women and Families (KLoWF) (continued)

From: The impact of expected child-rearing expenses on childbirth based on the matching of two Korean panel data

  2007 2008 2010 2012
(1) (2) (3) (1) (2) (3) (1) (2) (3) (1) (2) (3)
Economic activity (%)
 Employed 0.43 0.39 0.22 0.46 0.42 0.17 0.51 0.48 0.30 0.54 0.52 0.23
 Unemployed 0.03 0.04 0.00 0.02 0.03 0.00 0.02 0.02 0.00 0.01 0.02 0.00
 Not in Labor force 0.54 0.57 0.78 0.51 0.55 0.83 0.47 0.49 0.70 0.45 0.46 0.77
 N 9992 6112 198 8363 4894 121 7998 4172 116 7658 3646 71
Wage worker
 Monthly wage (won)
  Mean 144.96 152.66 203.69 137.66 145.94 213.33 146.28 155.26 201.14 157.75 167.76 215.83
  Standard deviation 84.67 80.53 62.24 82.32 79.27 81.72 77.90 73.01 62.45 89.11 78.00 69.08
  N 1552 1195 33 1741 1311 12 1661 1155 22 1730 1113 12
 Part time/full time status
  Full time 0.80 0.82 0.97 0.74 0.78 0.75 0.79 0.82 0.92 0.80 0.83 0.80
  Part time 0.20 0.18 0.03 0.26 0.22 0.25 0.21 0.18 0.08 0.20 0.17 0.14
  N 1985 1493 36 1748 1262 16 2130 1427 25 2167 1344 14
 Employment security
  Secure 0.54 0.61 0.94 0.49 0.57 0.81 0.44 0.55 0.76 0.62 0.67 0.79
  Nonsecure 0.46 0.39 0.06 0.51 0.43 0.19 0.56 0.45 0.24 0.38 0.33 0.21
  N 1985 1493 36 2166 1577 16 2133 1427 25 2167 1344 14
 Workplace maternity leave (%)    
  Available 0.35 0.41 0.97 0.27 0.33 0.63 0.25 0.32 0.72 0.23 0.30 0.79
  Not available 0.58 0.51 0.03 0.68 0.62 0.38 0.70 0.63 0.28 0.71 0.64 0.14
  Do not know 0.07 0.08 0.00 0.06 0.06 0.00 0.05 0.05 0.00 0.06 0.06 0.07
  N 1979 1488 36 2166 1577 16 2135 1428 25 2170 1344 14
 Hours worked per week
  Mean 45.41 45.19 44.94 43.02 43.39 39.44 41.53 41.76 40.20 40.07 40.21 41.43
  Standard deviation 14.41 13.73 7.70 13.70 12.69 13.31 12.40 11.43 6.69 12.93 11.50 11.80
 N 1975 1484 35 2165 1578 16 2107 1414 25 2167 1341 14
Nonwage worker
 Monthly income (won)
  Mean 158.50 177.45 151.67 132.32 152.44 100.00 140.28 179.92 178.33 147.85 196.99 200.00
  Standard deviation 194.90 141.00 60.14 113.55 128.61 70.71 128.63 151.51 72.23 134.54 155.07 70.71
  N 1125 474 6 946 452 2 967 341 6 925 306 2
  1. (1): total sample, (2): fertility cohort (female age 19–39) and (3): fertility subsample (Those among fertility cohort who had pregnancy between current and next survey. For example, (3) for 2007: 2007; (3) for 2008: 2008 and 2009). Fertility subsample of the fourth survey includes those who are pregnant at the time of the survey. Omitted entries are either omitted by definition or because there are too few observations to be meaningful